Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6441540 | Cylindrical piezoelectric transducer and cylindrical piezoelectric vibrating element | Takao Nakayama, Shinichi Sakamoto | 2002-08-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6441540 | Cylindrical piezoelectric transducer and cylindrical piezoelectric vibrating element | Takao Nakayama, Shinichi Sakamoto | 2002-08-27 |